Creation of radially polarized optical fields with multiple controllable parameters using a vectorial optical field generator

被引：22

作者：

Zhou, Sichao ^{[1
]}

Wang, Shiyi ^{[2
]}

Chen, Jian ^{[1
,3
]}

Rui, Guanghao ^{[4
]}

Zhan, Qiwen ^{[1
]}

机构：

[1] Univ Dayton, Electroopt Grad Program, 300 Coll Pk, Dayton, OH 45469 USA

[2] Globalfoundries, 2070 Route 52, Hopewell Jct, NY 12533 USA

[3] Univ Elect Sci & Technol China, Sch Elect Engn, Chengdu 610054, Peoples R China

[4] Southeast Univ, Adv Photon Ctr, Nanjing 210096, Jiangsu, Peoples R China

来源：

PHOTONICS RESEARCH | 2016年 / 4卷 / 05期

关键词：

BEAMS; LIGHT; MANIPULATION; ILLUMINATION; REFLECTION; NEEDLE;

D O I：

10.1364/PRJ.4.000B35

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A vectorial optical field generator (VOF-Gen) based on two reflective phase-only liquid crystal spatial light modulators enables the creation of an arbitrary optical complex field. In this work, the capabilities of the VOF-Gen in terms of manipulating the spatial distributions of phase, amplitude, and polarization are experimentally demonstrated by generating a radially polarized optical field consisted of five annular rings, the focusing properties of which are also numerically studied with vectorial diffraction theory. By carefully adjusting the relative amplitude and phase between the adjacent rings, an optical needle field with purely longitudinal polarization can be produced in the focal region of a high numerical aperture lens. The versatile method presented in this work can be easily extended to the generation of a vectorial optical field with any desired complex distributions. (C) 2016 Chinese Laser Press

引用

页码：B35 / B39

页数：5

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